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Week8 - Electronics Production

Missions of my week8 assignments:

What should I achieve in this week:

Group Assignment

  • Characterize the design rules for your in-house PCB production process
  • Submit a PCB design to a board house

Individual Assignment

  • Make and test a microcontroller development board that you designed
  • Extra credit: make it with another process

Electronic Production Notes

PCB Fabrication Methods

  1. Dead Bug Method
  2. Etching
  3. Machining
  • This is the method used for the assignment.

Machining Details:

Machines

  • Variety of machines used in different labs.

Tools

  • 1/64 milling
  • 1/32 milling
  • V-bits
  • Tapered bits, etc.

Fixturing

  • Used for holding the board in place without movement.

Underlay

  • Prevents drilling down to the machine bed.

Zeroing (Important)

Ensures the starting point of the mill with three methods:

  • Mounting
  • Lowering
  • Probing (using a tool)

Set-Screws, Collets

  • Choose the right mill for cutting (available in the labs).

Lifetime

  • Refers to the tool's lifespan - usage must be monitored.

Deburring

  • Process of removing impurities from the board.

Cleaning

  • Cleaning the board after processing.

Machine Cutting

  1. Use PNG or SVG for lossless resolution in machine cutting.
  2. Convert PNG or SVG images with mods, selecting the appropriate mill, like a V-bit or other sizes such as 1/64 or 1/32.
  3. Set related parameters to view the final outcome and machine cutting trace.